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Abstract

The described experiment, focused on students at the high school level, aims to explore physical chemistry concepts by observing the behavior of a supersaturated solution of sodium acetate.

Keywords
solution, supersaturated solution, crystallization, exothermic reaction, teaching.

Authors
Maria Domitila de Menezes
Escola Superior de Educação de Lisboa – Portugal
Maria João M. Curto
INETI – Portugal

Translated by
João C. de Andrade

Revised by
Carol H. Collins

Warning

advertencia Attention: “Read carefully the procedure before starting the experiment. Do not perform the experiment without being monitored by your teacher. In doubt ask for help!”

Abstract

Using an empty beverage can or bottle, this article presents an experiment of easy implementation, to illustrate some Physical Chemistry concepts at the fundamental level.

Keywords
heating, cooling, pressure, physical chemistry, compression, expansion

Authors
Maria Domitila de Menezes
Escola Superior de Educação de Lisboa – Portugal
Maria João M. Curto
INETI – Portugal

Translated by
João C. de Andrade

Revised by
Carol C. Collins

Warning

advertencia Attention: “Read carefully the procedure before starting the experiment. Do not perform the experiment without being monitored by your teacher. In doubt ask for help!”